Del·la Crus·ca A shortened form of Accademia della Crusca, an academy in Florence, Italy, founded in the 16th century, especially for conserving the purity of the Italian language.
 Note: ☞ The Accademia della Crusca (literally, academy of the bran or chaff) was so called in allusion to its chief object of bolting or purifying the national language.
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